Find the volume of a cube whose surface area is 216cm^2
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Step-by-step explanation:
The total surface area of the cube is 216 cm² respectively.
Given :
Volume of cube = 216 cm³
To find :
The total surface area of the cube.
Solution :
Let the side of the cube be 'a' cm
We know that,
Volume of cube = side × side × side cu. unit
or, a × a × a = 216 cm³
or, a³ = 216 cm³
or, a = ³√216 cm³
or, a = 6 cm.
Hence, one side of the cube is 6 cm.
We know that, A cube has six surfaces. Hence, the total surface area of the cube will be - 6a²
= {6 (6)²} sq. unit
= {6 × 6 × 6} cm²
= 216 cm²
Hence, the total surface area of the cube is 216 cm².
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